St. Marys Spring Company Provides High-quality Standard and Custom Springs for Various Industries St. Marys Spring Company (SMSC) is an industry-leading custom spring manufacturer, since 1946. The company manufactures a large variety of springs, wire forms, flat forms, and stampings in custom and standard sizes. The springs are designed in compliance with industrial standards such as ISO, DDTC, ITAR, SAM, and MIL Spec. The company serves its industries such as military, aerospace, automotive, electrical, telecommunication, etc. St. Marys Spring Companys Products SMSC leads the industry with its advanced spring manufacturing capabilities, which allows it to deliver the following products in short lead times: Precision Stampings Flat Form Springs Custom Wire Forms Double Torsion Springs Constant Force Springs Fine Wire Springs Extension Springs Compression Springs Precision Mechanical Springs Torsion Springs SMSC can provide the above-mentioned springs in various materials such as Inconel, chrome silicon, chromium vanadium, and phosphor bronze, and beryllium copper, music wire, and stainless steel.